Nitratidesulfovibrio vulgaris [FeFe]-hydrogenase crystallized in the sodium formate buffer at pH 4.6
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| B [auth A] | SCOP2B Superfamily | 4Fe-4S ferredoxins | 8035153 | 3000020 | SCOP2B (2022-06-29) |
| B [auth A] | SCOP2B Superfamily | Fe-only hydrogenase | 8033441 | 3001826 | SCOP2B (2022-06-29) |
| A [auth B] | SCOP2B Superfamily | Fe-only hydrogenase smaller subunit | 8039092 | 3001779 | SCOP2B (2022-06-29) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| B [auth A] | PF02906 | Iron only hydrogenase large subunit, C-terminal domain (Fe_hyd_lg_C) | Iron only hydrogenase large subunit, C-terminal domain | Domain | |
| B [auth A] | PF00037 | 4Fe-4S binding domain (Fer4) | 4Fe-4S binding domain | Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. | Domain |
| A [auth B] | PF02256 | Iron hydrogenase small subunit (Fe_hyd_SSU) | Iron hydrogenase small subunit | This family represents the small subunit of the Fe-only hydrogenases EC:1.18.99.1. The subunit is comprised of alternating random coil and alpha helical structures that encompasses the large subunit in a novel protein fold [1]. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| B [auth A] | IPR017900 | 4Fe-4S ferredoxin, iron-sulphur binding, conserved site | Conserved Site |
| B [auth A] | IPR004108 | Iron hydrogenase, large subunit, C-terminal | Domain |
| B [auth A] | IPR050340 | Cytosolic Fe-S Cluster Assembly Factor | Family |
| B [auth A] | IPR009016 | Iron hydrogenase | Homologous Superfamily |
| B [auth A] | IPR017896 | 4Fe-4S ferredoxin-type, iron-sulphur binding domain | Domain |
| B [auth A] | IPR013352 | Iron hydrogenase, subset | Domain |
| A [auth B] | IPR036991 | Iron hydrogenase, small subunit superfamily | Homologous Superfamily |
| A [auth B] | IPR006311 | Twin-arginine translocation pathway, signal sequence | Conserved Site |
| A [auth B] | IPR003149 | Iron hydrogenase, small subunit | Domain |
| A [auth B] | IPR008953 | Iron hydrogenase, small subunit HydB-type | Homologous Superfamily |
| A [auth B] | IPR019546 | Twin-arginine translocation pathway, signal sequence, bacterial/archaeal | Conserved Site |














